1931 01 -2.50 -13.78  -8.13 
1931 02   .56 -99.99 -99.99 
1931 03  6.49  -6.13    .17 
1931 04 13.56  -1.00   6.28 
1931 05 18.89   3.83  11.36 
1931 06 22.79   8.66  15.72 
1931 07 26.79  14.60  20.69 
1931 08 24.77  10.25  17.51 
1931 09 20.45 -99.99 -99.99 
1931 10 15.79   1.61   8.70 
1931 11 10.00  -2.65   3.67 
1931 12  -.13 -99.99 -99.99 
1932 01  1.33 -10.05  -4.36 
1932 02 -2.76 -99.99 -99.99 
1932 03  1.15 -10.30  -4.57 
1932 04  9.89  -2.46   3.71 
1932 05 99.99   2.87 -99.99 
1932 06 24.63   7.79  16.20 
1932 12  2.25 -99.99 -99.99 
1933 01   .66 -11.41  -5.37 
1933 02   .23 -99.99 -99.99 
1933 03  2.29 -99.99 -99.99 
1933 04  8.57  -1.27   3.65 
1933 05 19.50   3.30  11.40 
1933 06 26.01   8.81  17.41 
1933 07 26.83  10.22  18.52 
1933 08 29.07   9.58  19.32 
1933 09 22.83   7.40  15.11 
1933 10 14.48   1.11   7.79 
1933 11  3.10  -9.35  -3.12 
1933 12 -3.74 -17.39 -10.56 
1934 01 -2.35 -18.71 -10.54 
1934 02 -5.70 -22.00 -13.85 
1934 03  4.31 -11.26  -3.47 
1934 04 13.39  -1.52   5.93 
1934 05 22.58   3.54  13.06 
1934 06 24.25   9.03  16.64 
1934 07 27.75  10.96  19.35 
1934 08 25.64   8.79  17.21 
1934 10 14.86    .48   7.66 
1934 11  9.95  -2.42   3.76 
1934 12 99.99 -17.24 -99.99 
1935 01 -6.00 -20.26 -13.13 
1935 02 -2.34 -19.17 -10.76 
1935 04  9.92  -3.79   3.06 
1935 05 15.34   1.15   8.24 
1935 06 21.73   8.85  15.29 
1935 07 26.57  12.15  19.36 
1935 08 26.36  10.17  18.26 
1935 09 19.00   3.57  11.28 
1935 10 14.63   -.21   7.21 
1935 11  7.08  -2.76   2.15 
1935 12 -3.07 -13.76  -8.41 
1936 01 -4.26 -16.96 -10.61 
1936 03  6.83  -5.64    .59 
1936 04  6.36  -2.80   1.78 
1936 05 17.48   3.14  10.31 
1936 07 24.00   9.68  16.84 
1936 08 23.31   8.76  16.03 
1936 09 19.62   5.65  12.64 
1936 10 12.98    .12   6.55 
1936 11  2.10  -8.18  -3.03 
1936 12   . 2 -14.64  -7.31 
1937 01   .48 -13.20  -6.36 
1937 02   .80 -14.03  -6.61 
1937 03  1.72 -13.76  -6.02 
1937 04 10.18  -3.36   3.41 
1937 05 18.31   3.81  11.06 
1937 06 21.97   8.02  14.99 
1937 07 26.82  11.96  19.39 
1937 08 27.10  12.78  19.94 
1937 09 20.94   6.68  13.81 
1937 10 12.77 -99.99 -99.99 
1937 11  4.08  -4.11    .-1 
1937 12 -2.17 -99.99 -99.99 
1938 02 -2.03 -16.16  -9.09 
1938 03  2.38 -11.78  -4.69 
1938 04 10.65  -1.98   4.33 
1938 05 15.26   2.08   8.67 
1938 06 24.86   9.35  17.10 
1938 07 24.21  13.56  18.88 
1938 08 25.94  11.96  18.95 
1938 09 18.31   5.43  11.87 
1938 10 16.93 -99.99 -99.99 
1938 11  7.20  -5.36    .91 
1938 12  -.60 -11.33  -5.96 
1939 01 -4.77 -99.99 -99.99 
1939 02 -2.53 -16.58  -9.55 
1939 03  -.54 -14.90  -7.72 
1939 04  6.65  -3.89   1.38 
1939 05 17.60   1.51   9.55 
1939 06 22.26   8.82  15.54 
1939 07 25.54  11.83  18.68 
1939 08 26.23  12.45  19.34 
1939 09 19.02   6.28  12.65 
1939 10 12.92    .86   6.89 
1939 11  3.06  -6.31  -1.62 
1939 12 -1.93 -11.76  -6.84 
1940 01 -7.23 -18.62 -12.92 
1940 02 -2.11 -16.64  -9.37 
1940 03   .67 -12.56  -5.94 
1940 04  6.24  -4.07   1.08 
1940 05 16.45   3.86  10.16 
1940 06 21.22   8.81  15.01 
1940 07 25.15  11.14  18.14 
1940 08 24.72   9.03  16.87 
1940 09 19.62   6.72  13.17 
1940 10 11.52  -1.34   5.09 
1940 11  4.50  -3.97    .26 
1940 12 -1.11 -14.25  -7.68 
1941 01 -5.50 -18.15 -11.82 
1941 02 -1.47 -14.99  -8.22 
1941 03   .94 -11.62  -5.34 
1941 04 13.46  -1.55   5.95 
1941 05 18.23   3.14  10.68 
1941 06 23.38   8.32  15.85 
1941 07 99.99  10.92 -99.99 
1941 08 22.31   8.14  15.23 
1941 09 20.72   5.43  13.07 
1941 11  6.08  -4.17    .95 
1941 12  1.07 -11.38  -5.15 
1942 01 -4.01 -99.99 -99.99 
1942 02 -4.56 -16.62 -10.59 
1942 03  4.16  -8.33  -2.08 
1942 04  9.82  -2.53   3.64 
1942 05 18.71   5.32  12.02 
1942 06 23.67  10.30  16.98 
1942 07 24.81  11.77  18.29 
1942 08 24.63  10.64  17.63 
1942 09 21.50   6.91  14.20 
1942 10 15.63    .85   8.24 
1942 11  6.92  -5.03    .94 
1942 12 -2.56 -15.82  -9.18 
1943 01 -5.40 -19.84 -12.62 
1943 02 -1.27 -15.74  -8.50 
1943 03  1.69 -13.71  -6.01 
1943 04  5.91  -5.93    . 0 
1943 05 16.25   3.25   9.75 
1943 06 21.18   9.10  15.14 
1943 07 24.31  11.82  18.06 
1943 08 22.16  10.73  16.44 
1943 09 19.03   4.67  11.85 
1943 10 12.91   2.62   7.76 
1943 11  5.84  -3.95    .94 
1943 12 -4.91 -17.45 -11.18 
1944 01 -2.18 -15.61  -8.89 
1944 02 -3.41 -19.37 -11.39 
1944 03   .31 -13.84  -6.76 
1944 04  6.92  -5.39    .76 
1944 05 19.54   4.05  11.79 
1944 06 21.26   8.93  15.09 
1944 07 24.63  11.69  18.16 
1944 08 26.72  12.54  19.62 
1944 09 19.59   7.69  13.64 
1944 10 12.61   1.23   6.92 
1944 11  6.59  -3.06   1.76 
1944 12 -2.75 -14.83  -8.79 
1945 01 -6.18 -19.01 -12.59 
1945 02 -2.09 -16.84  -9.47 
1945 03  7.43  -7.15    .13 
1945 04 13.65   -.57   6.54 
1945 05 15.04   2.98   9.01 
1945 06 20.70   9.10  14.90 
1945 07 26.50  12.29  19.39 
1945 08 26.32  10.98  18.65 
1945 09 20.90   8.88  14.89 
1945 10 10.70    .92   5.81 
1945 11  4.83  -4.07    .37 
1945 12 -3.32 -14.13  -8.72 
1946 01 -3.37 -17.73 -10.54 
1946 02 -4.60 -20.82 -12.71 
1946 03  9.06  -6.60   1.23 
1946 04  7.87  -2.28   2.79 
1946 05 16.78   3.76  10.27 
1946 06 22.99   8.53  15.76 
1946 07 24.03  11.02  17.52 
1946 08 22.83   9.91  16.36 
1946 09 21.49   6.16  13.82 
1946 10 15.85   1.68   8.76 
1946 11  5.95 -99.99 -99.99 
1946 12 -1.84 -99.99 -99.99 
1947 01 -3.70 -99.99 -99.99 
1947 02 -1.89 -99.99 -99.99 
1947 03  3.11 -99.99 -99.99 
1947 04  7.62  -5.30   1.15 
1947 05 13.85 -99.99 -99.99 
1947 06 19.79   8.18  13.99 
1947 07 25.84  15.27  20.55 
1947 08 26.99 -99.99 -99.99 
1947 09 20.81 -99.99 -99.99 
1947 11  4.33 -99.99 -99.99 
1947 12 -3.75 -99.99 -99.99 
1948 01 -6.26 -99.99 -99.99 
1948 02 -3.92 -99.99 -99.99 
1948 03  2.86 -99.99 -99.99 
1948 04  9.43  -2.58   3.42 
1948 05 14.12   3.23   8.67 
1971 01 -7.98 -22.47 -15.22 
1976 10  9.77  -1.70   4.03 
1977 07 26.46   9.42  17.93 
1980 06 21.63   6.27  13.95 
1980 11  2.16  -7.51  -2.67 
1981 08 25.03   8.37  16.70 
1981 11  3.78  -5.12   -.66 
2011 01 -5.73 -15.55 -10.64 
2011 02 -4.41 -18.85 -11.63 
2011 03  1.31 -12.26  -5.47 
2011 04  7.94  -4.21   1.86 
2011 05 15.43   4.69  10.06 
2011 06 21.14   8.89  15.01 
2011 07 25.25  11.33  18.29 
2011 08 23.41  11.07  17.24 
2011 09 20.36   8.43  14.39 
2011 10 12.40   3.08   7.74 
2011 11  8.17  -3.26   2.45 
2011 12   .43  -9.72  -4.64 
2012 01 -4.04 -15.16  -9.60 
2012 02 -1.50 -16.27  -8.88 
2012 03  6.43  -7.22   -.39 
2012 04 10.73  -2.38   4.17 
2012 05 16.51   5.22  10.86 
2012 06 20.36   8.47  14.41 
2012 07 25.01  11.35  18.18 
2012 08 25.24  11.88  18.56 
2012 09 19.37   4.65  12.01 
2012 10 13.34   2.19   7.76 
2012 11  4.87  -5.02    .-7 
2012 12  -.22  -9.41  -4.81 
2013 01 -3.89 -16.87 -10.38 
2013 02 -2.29 -14.62  -8.45 
2013 03  3.19  -6.94  -1.87 
2013 04  9.46  -3.72   2.87 
2013 05 17.92   4.11  11.01 
2013 06 22.43   9.78  16.10 
2013 07 26.23  13.82  20.02 
2013 08 23.88   9.97  16.92 
2013 09 19.54   7.30  13.42 
2013 10 14.34   1.75   8.04 
2013 11  4.11  -5.69   -.79 
2013 12 -4.25 -13.46  -8.85 
2014 01 -5.43 -16.90 -11.16 
2014 02 -2.97 -18.43 -10.70 
2014 03 -1.47 -17.73  -9.59 
2014 04  9.14  -4.23   2.45 
2014 05 16.59   3.79  10.19 
